TI-2018-00864 Aliases CVE-2018-0930 GHSA-wc4x-9h9p-9494

Out-of-bounds write in Microsoft ChakraCore, Microsoft Edge

MEDIUM 46CWE-787Published 2018-03-14 · Updated 2024-09-17

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: High
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-787 and the CVSS impact.

Summary

ChakraCore and Microsoft Edge in Microsoft Windows 10 1709 allows remote code execution, due to how the Chakra scripting engine handles objects in memory, aka "Chakra Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2018-0872, CVE-2018-0873, CVE-2018-0874, CVE-2018-0931, CVE-2018-0933, CVE-2018-0934, CVE-2018-0936, and CVE-2018-0937.

Why it matters now

EPSS 0.1154 96th percentileScored 2026-11-07

Fix Fixed Microsoft.ChakraCore (NuGet): 1.8.2

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Microsoft	ChakraCore, Microsoft Edge	ChakraCore and Microsoft Windows 10 1709	—	No fix listed	CNA
—	Microsoft.ChakraCore (NuGet)	before 1.8.2	1.8.2	Patch available	GHSA-wc4x-9h9p-9494

ChakraCore, Microsoft Edge VendorMicrosoft Affected ChakraCore and Microsoft Windows 10 1709 Fixed in — No fix listed CNA
Microsoft.ChakraCore (NuGet) Vendor— Affected before 1.8.2 Fixed in 1.8.2 Patch available GHSA-wc4x-9h9p-9494

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:microsoft:edge::::::::	all versions	Vulnerable	Microsoft
cpe:2.3:o:microsoft:windows_10:1709:::::::*	1709	Running on	Microsoft

cpe:2.3:a:microsoft:edge:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Microsoft
cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:* Versions 1709 Running on ·Microsoft

Remediation

Fix · GHSA-wc4x-9h9p-9494 Microsoft.ChakraCore (NuGet) Fixed in 1.8.2 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2018-0930
2026-10-03 Alias added: GHSA-wc4x-9h9p-9494

References

Patch 1

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0930

Advisory 1

https://nvd.nist.gov/vuln/detail/CVE-2018-0930

Other 3

TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8

See all 761 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences